KR101430912B1 - Dutch coffee machine - Google Patents

Abstract

The present invention relates to a Dutch coffee machine having a base on which a plurality of horizontal adjustment legs are screwed on a bottom surface and a storage container seating part is formed on a top surface thereof; A support vertically installed at one end of the upper surface of the base; An upper tray having one end supported by the stopper so as to be vertically lifted and supported by the stopper, a feeder receiving portion formed at one end thereof and a middle portion of the feeder receiving portion being downwardly penetrated; A lower tray having one end supported by the stopper so as to be raised and lowered vertically and supported by a stopper and having a coffee vessel seating portion formed at one end thereof and a middle portion of the coffee vessel seating portion passing downward; A storage container which is seated in the storage container seating portion of the base and has a coffee inflow hole formed in the cap for the storage container coupled to the upper end; A coffee extracting port is formed at a lower end of the lower tray so as to be inserted into a coffee inflow hole of the storage container cap and a cap for a coffee container connected to the upper end is formed with a water inlet opening A coffee pot; A water supply container which is seated in a water supply container seating portion of the upper tray and has a water supply port formed at a lower end thereof and is fitted into a water supply inlet hole of the cap for the coffee container and a water supply valve is provided in the middle of the water supply port; And it is easy to operate and can extract a superior quality of Dutch coffee, thereby providing a useful effect for allowing the general public to easily access the Dutch coffee.

Description

Dutch coffee machine {

The present invention relates to a Dutch coffee machine, and more particularly, to a Dutch coffee machine in which ordinary people can easily access Dutch coffee since it is easy to extract a particularly difficult Dutch coffee.

Generally, coffee is extracted by crushing the coffee beans into a filter having a cone shape and extracting hot water at normal pressure.

In this method, the coffee powder is placed on the filter using an extractor called coffee drip, the hot water is poured, the cup is pushed under the filter of the extractor, and the extractor is operated so that the water is heated and solid on the coffee, It is common for the format to be extracted downward by.

In addition to this general method of extracting coffee, Dutch Coffee has been known as a unique extraction method. It uses water at room temperature to drop water into a coffee container containing coffee powder, As a unique and fragrant coffee to extract, it requires a lot of time, skill and unique equipment, so it was difficult for ordinary people to get a proper Dutch coffee.

Conventional Dutch coffee extracting machines are not only easy to use by ordinary people but also are special containers used by professionals. Especially when extracting Dutch coffee, it is necessary to adjust the water falling to the coffee container to fall exactly to the center, It was necessary for the general public to have a considerable skill and skill in order to extract the Dutch coffee using the conventional container.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a Dutch coffee machine which can be easily used by anyone and can extract a high-quality Dutch coffee of a middle or higher grade.

In order to achieve the above object, according to the present invention, there is provided a refrigerator comprising: a base having a plurality of horizontal adjustment legs screwed on a bottom surface thereof, A support vertically installed at one end of the upper surface of the base; An upper tray having one end supported by the stopper so as to be vertically lifted and supported by the stopper, a feeder receiving portion formed at one end thereof and a middle portion of the feeder receiving portion being downwardly penetrated; A lower tray having one end supported by the stopper so as to be raised and lowered vertically and supported by a stopper and having a coffee vessel seating portion formed at one end thereof and a middle portion of the coffee vessel seating portion passing downward; A storage container which is seated in the storage container seating portion of the base and has a coffee inflow hole formed in the cap for the storage container coupled to the upper end; A coffee extracting port is formed at a lower end of the lower tray so as to be inserted into a coffee inflow hole of the storage container cap and a cap for a coffee container connected to the upper end is formed with a water inlet opening A coffee pot; A water supply container which is seated in a water supply container seating portion of the upper tray and has a water supply port formed at a lower end thereof and is fitted into a water supply inlet hole of the cap for the coffee container and a water supply valve is provided in the middle of the water supply port; And the like.

As a result, coffee is extracted in a state where the coffee container and the water supply container are accurately fixed vertically, and a stable, high-quality Dutch coffee can be obtained without any special technique.

Here, the stopper is movable on a support and is fixed by a bolt at an appropriate position, and the fixed stopper allows the upper tray and the lower tray to stay in a proper position of the support.

The vertical state of the coffee container is very important, and a vertical connection state between the coffee container and the water container is also important. To this end, a level meter may be further provided on the upper surface of the base, or on the upper surface of the upper tray or the lower tray.

The cap coupled to the storage container, the coffee container, and the water supply container may be used as a sealing cap having a packing therein, so as to maintain the airtightness. The cap is configured such that the unique fragrance of the coffee is not lost. The grooves serve to prevent and protect the elongated shape of the bottom of each container from being inadvertently damaged by the user's carelessness or insufficient use.

In addition, each container can be visually confirmed by the use of tempered glass to ensure sufficient strength.

Since the upper tray and the lower tray are repeatedly lifted and lowered on the support table, a bearing is further installed at a portion where the upper tray and the lower tray are fitted to the support, that is, the tray boss, .

In another aspect of the present invention, a base for placing a storage container is provided with a heater for keeping the temperature of the storage container warm, and a cooling device of a thermoelectric semiconductor type for maintaining the temperature of the storage container at a low temperature will be.

To this end, the base may be divided into upper and lower parts to secure a space therein, and the heater may be a film heater or a hot wire heater, and a control circuit and a switch for such a heating and cooling device may be provided have.

Another feature of the present invention is that the upper tray and the lower tray are vertically connected by a lifting support while being supported by a support, the lower ends of the lower tray and the lifting support are fixed, and the upper tray is mounted on the lifting support.

Therefore, when the lower tray is lifted upward to withdraw the lower storage container, the upper tray is also lifted by the lifting support, and the upper tray is lifted to withdraw the middle coffee container. At this time, And the lower tray is left as it is, so that proper use is made according to the situation.

Another feature of the present invention is that the base, the upper tray, and the lower tray are configured in a symmetrical configuration so that coffee can be extracted simultaneously from both sides.

As a result, a larger amount of coffee can be extracted at once.

Another feature of the present invention is that the plurality of Dutch coffee machines can be connected in parallel by the continuous connection by the connecting means in the vicinity of the base of the other Dutch coffee machine to the side of the base.

As described above, by arranging a plurality of Dutch coffee machines on the side of the base, a larger amount of coffee can be extracted at a time.

According to another aspect of the present invention, the coffee inflow hole and the water inlet hole are formed with a coffee extracting port and a conical recessed portion for guiding insertion of the water inlet.

Accordingly, even though the length of the coffee extraction port and the water supply port is long, the conical groove portion is formed, so that the insertion between the containers can be conveniently and safely guided.

According to another aspect of the present invention, there is further provided a detachable stopper having a fitting groove in which the support and the lifting support are accommodated, the detachable stop being formed at a side surface thereof and having a height that can be fitted between the upper tray and the lower tray, will be.

Therefore, when the upper tray or the lower tray of the elevating support is operated by installing a separate detachable stopper in addition to the stopper, the upper tray or the lower tray is lifted and then inserted into the elevating support and the support so as to be supported by the stopper, It is possible to secure a sufficient space for withdrawing from the upper tray or the lower tray to ensure safety and to secure a space for the user to facilitate other necessary operations without withdrawing the coffee container from the lower tray.

The Dutch coffee machine according to the present invention provides a useful effect of easily extracting hot coffee of excellent quality and easy access to the Dutch coffee by the general public.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a Dutch coffee machine according to an embodiment of the present invention, except for Dutch coffee containers; FIG.
Fig. 2 is an external perspective view of Fig. 1 showing a state in which Dutch kettle containers are mounted according to the present invention. Fig.
3 is a side cross-sectional view of a Dutch coffee machine according to the present invention.
4 is a rear view of a Dutch coffee machine according to the present invention.
FIG. 5 is a cross-sectional view of a coupling part of a support and a tray by a stopper according to the present invention. FIG.
6 (a) and 6 (b) are partially enlarged sectional views showing an example of a cap used in a container according to the present invention.
Figure 7 is a perspective view of powdered coffee in a coffee container according to the present invention in a refined state;
8 is a side view and a partial rear view of the upper tray lifted in the present invention.
FIG. 9 is a side view and a partial rear view of a state in which the lower tray is lifted in the present invention. FIG.
10 is a side view showing another embodiment of the present invention.
11 is a front view showing still another embodiment of the present invention.
12 is a rear perspective view showing the configuration and use state of the detachable stopper of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as exemplifications of the constituent elements set forth in the claims of the present invention, and are included in technical ideas throughout the specification of the present invention, Embodiments that include components replaceable as equivalents in the elements may be included within the scope of the present invention.

In the drawings of the present invention, the same reference numerals are applied to the same parts.

1 is an external perspective view of a Dutch coffee machine according to an embodiment of the present invention, except for Dutch coffee containers; FIG. 2 is an external perspective view of FIG. 1 showing a state in which Dutch kettle containers according to the present invention are mounted; Fig. 4 is a rear view of a Dutch coffee machine according to the present invention. Fig. 4 is a side view of a Dutch coffee machine according to the present invention.

1 to 6, a Dutch coffee machine according to the present invention includes a water supply container 300 for ultimately supplying water, a coffee container 200 for receiving powder coffee and for draining water from the water supply container 300 And a storage container 100 for storing the coffee extracted from the coffee container 200 in a stable state and adjusting or releasing the coupling state when necessary.

The upper tray 30 and the lower tray 40 are mounted on the supporting table 20 so as to be able to move up and down. .

The storage container 100 is supported by a base 10. The base 10 is placed on the ground and a plurality of control legs 11 are screwed on a bottom surface thereof so as to be horizontally adjustable, In particular, the control legs 11 are formed in a conical shape so as to be point-to-point contact with the ground surface, thereby enabling more accurate leveling.

It is preferable that the control legs 11 are arranged at two side edges of the rear side of the base and one at the front center end side to constitute a total of three control legs 11.

According to the three-point control leg 11 as described above, the control legs 11 arranged forward and rearward are turned while viewing the leveling system 80 described later, so that the level can be easily adjusted.

On the other hand, a storage container seating portion 14 for seating the storage container 100 is formed at one end of the upper surface of the base 10, and the supporting table 20 is vertically installed at the other end of the upper surface, 21).

The support rods 20 are arranged in a pair, and the upper ends of the support rods 20 are connected and fixed by the connecting rods 22.

One end of the upper tray 30 and the lower tray 40 are connected to a support 20 via a tray 20 connected to the support 20, The bosses 31 and 41 are formed as through holes 32 and 42. The bushing 61 and the bearing 62 are provided in the through holes 32 and 42 so that the contact with the support 20 smoothly slides .

The upper tray 30 and the lower tray 40 are moved on the support 20 so that the stopper 70 is used to maintain the fixed state at any point of the support 20.

The stopper 70 is ring-shaped so that it can freely move up and down on the support base 20 and can be fixed by the bolts 71 from the side.

Therefore, when the stopper 70 is fixed at the correct position by the bolts 71, each tray is not lowered further by the stopper 70 but held at the corresponding position.

A fitting groove 501 in which the support table 20 and the lifting support 50 are accommodated is formed on one side and is inserted between the upper tray 30 and the lower tray 40 and the stopper 70 And a detachable stopper 500 having a height sufficient to prevent the detachable stopper 500 from being detached.

According to this structure, when the upper tray 30 and the lower tray 40 of the elevation support 50 are selectively operated by providing a separate detachable stopper 500 in addition to the stopper 70, The tray 40 is lifted up and the stopper 500 is inserted and the lower end of the stopper 500 is supported by the stopper 70. The fitting groove 501 is fitted to the elevation support 50 and the support 20.

Therefore, the user can securely pull out the storage container 100 or the coffee container 200 from the upper tray 30 or the lower tray 40, It is possible to secure a space for facilitating other necessary operations without withdrawing the coffee container 200 from the coffee maker 40.

An elevation support 50 is provided between the upper tray 30 and the lower tray 40. That is, the vertical support 30 is provided on each of the tray bosses 31 and 41 of the upper tray 30 and the lower tray 40, The upper end of the lifting supporter 50 is connected to the tray bosses 50 of the upper tray 30 and the lower end of the lifting supporter 50 is connected to the lower tray 40, (31).

When the upper tray 30 is lifted, the lower tray 40 and the upper support tray 50 remain. However, when the lower tray 40 is lifted up, the upper tray 30 is pushed up to the elevation support 50, The tray 30 and the lower tray 40 are lifted together with a constant interval.

A seating groove 33 may be further formed on the bottom surface of the tray boss 31 of the upper tray 30 for stable connection between the elevation support 50 and the upper tray 30.

The upper tray 30 is formed with a water supply container seating portion 34 for receiving the water supply container 300 and penetrates the middle portion of the water supply container seating portion 34. The lower tray 40 is provided with a coffee container seating A portion 44 is formed and the middle portion thereof is also penetrated.

The seating portion of each container formed in the base 10, the upper tray 30 and the lower tray 40 preferably has a shape such that the lower end of the container can be closely contacted with the shape of the container. When assembled, the centers of the respective seating portions 44 are set so as to coincide with each other.

The water supply container 300 that is seated in the upper tray 30 is made of transparent tempered glass and the water supply container cap 301 is provided at the upper end thereof and the water supply container cap 301 is provided with, And a packing 63 is provided for sealing between the water supply containers 300.

At the lower end, a water supply port 303 is extended and a water supply valve 304 is provided in the middle.

The coffee container 200 mounted on the lower tray 40 is provided with a coffee container cap 201 at an upper portion thereof. At the lower end of the container 200, a coffee extracting port 203 is drawn out.

The water supply port 303 of the upper water supply container 300 is inserted into the water supply inlet hole 202. For this purpose, the water supply inlet hole 202 is formed in an expanded shape at the upper part, And the coffee container 200 is preferably cylindrical, which is preferable for the coffee extracting action.

A coffee inflow hole 102 through which the coffee extracting opening 203 of the coffee container 200 can be inserted is formed in the middle of the storage container cap 101. Also, The upper part is formed in an expanded form.

6 (b), at the entrance of the coffee inflow hole 102 and the water inflow hole 202, there are formed a conical groove portion for guiding the insertion of the coffee extracting port 203 and the water feed port 303, And a packing 63 is provided to seal the space between the storage container 100 and the coffee container 200. In this case,

Accordingly, even though the length of the coffee extraction port 203 and the water supply port 303 is long, the conical recesses 103 and 104 are formed, so that it is possible to guide the insertion between the containers conveniently and safely, ), The fragrance and the warmth of the coffee can be maintained for a long time because the incense of the coffee and the heat of the inside are not easily discharged to the outside.

As described above, it is preferable that the caps 101, 201, and 301 provided in the respective containers are provided with the packing 63 to be sealed therein.

Meanwhile, the storage container 100, the coffee container 200, and the water container 300 are set in a state where they are connected to each other as shown in the drawing, and coffee is extracted in this state.

At this time, it is important that the center of the water supply port 303 that is drawn out to the lower end of the water supply container 300 exactly coincides with the center of the coffee container 200, and overall horizontal adjustment is particularly important.

To this end, a leveling system 80 may optionally be installed on the upper surface of the base 10, the upper surface of the upper tray 30, and the upper surface of the lower tray 40.

Meanwhile, the coffee extracted through the coffee machine according to the present invention is stored in the storage container 100. Since it takes a long time to extract the coffee, it is necessary to maintain the temperature of the coffee flowing into the storage container.

Therefore, a film heater or a hot-wire heater can be installed inside the base 10 for storing the storage container 100 so that the temperature of the storage container 100 can be kept warm. Also, And a thermoelectric semiconductor type cooling device for maintaining the temperature of the cooling medium at a low temperature.

The base 10 is provided with a control circuit (not shown) or a switch (not shown) for operating the heater H and the cooling device C, and the like.

In the meantime, the coffee container 200 according to the present invention contains powdered coffee. The powdered coffee is appropriately and uniformly densified and used. Particularly, when the surface to be prepared is perpendicular to the inner surface of the coffee container 200 Thereby maintaining the horizontal plane.

For this purpose, as shown in FIG. 7, there is provided a coffee container holder 210 for separately mounting and supporting the coffee container 200, and the coffee maker 200 may further include a dust container 220 for cleaning the powdered coffee.

The coffee container holder 210 is configured to receive the shape of the lower end of the coffee container 200.

The polygon (220) has the same shape as that of the cross-sectional shape of the coffee container (200). The polygon (220) has a thicker thickness so as to be closely adhered to the inner side surface and a handle (230) is provided at one end.

Therefore, when the coffee is densified, the side surface of the dodge tray 220 having a large thickness is brought into close contact with the inner surface of the coffee vessel 200 and is guided to be vertically tapered, so that the surface of the coffee is always kept horizontal.

The operation of the present invention will now be described.

In the Dutch coffee machine according to the present invention, it is necessary to set the accurate horizontal degree. For this purpose, the adjusting leg 11 provided on the bottom of the base 10 is operated to adjust the horizontal position with respect to the ground, The upper tray 30 and the lower tray 40 to be installed are lifted and lowered to correctly connect the respective containers.

When the height of the upper tray 30 and the lower tray 40 is adjusted, the stopper 70 is fixed to the stopper 70, The upper tray 30 and the lower tray 40 are set in a state in which they are mounted.

The coffee extracting port 203 of the coffee container 200 is drawn into the upper end of the storage container 100. The upper end of the coffee container 200 is connected to the water supply port of the water container 300, (303) is introduced.

When the water control valve 304 of the water supply container 300 is opened in a state in which water is contained in the water supply container 300, water is supplied from the water supply port 303 to the coffee container 200, The water drops to the container 200, and the water is slowly extracted into the lower storage container 100 while melting the coffee.

This coffee extraction takes a considerable time and controls the amount of water by operating the water supply control valve 304.

Extracted Dutch coffee is stored in a storage container, and a desired temperature can be maintained by operating a heater or a cooling device inside the base according to taste.

8, the upper tray 30 is lifted so that the water supply port 303 of the water supply container 300 can be separated from the coffee container 200 by removing the water supply container 300 or the coffee container 200, The water tray 300 or the coffee container 200 is taken out in a state of being separated from the upper tray 40. When the storage container 100 is to be taken out, the lower tray 40 is lifted up as shown in FIG. The coffee extractor 203 of the coffee container 200 is taken out of the storage container 100 while the coffee extractor 203 of the coffee container 200 is separated from the storage container 100.

After the upper tray 30 or the lower tray 40 is lifted up, the fitting groove 501 is inserted into the elevation support 50 and the support 20 in a state where the detachable stopper 500 is placed on the stopper 70 When the upper tray 30 or the lower tray 40 is lowered, a space for withdrawing the containers is secured, so that the container can be safely pulled out with both hands safely.

FIG. 10 shows another embodiment of the present invention. Referring to FIG. 10, the base 10, the upper tray 30, and the lower tray 40 are symmetrically arranged about the support 20.

Accordingly, the storage container 100, the coffee container 200, and the water container 300 can be used in two sets at a time, and a large amount of coffee can be extracted at once.

11 is a view showing another embodiment of the present invention. As shown in the drawings, the Dutch coffee machine according to the present invention can be arranged so as to be able to use a plurality of coffee machines at the same time by being continuously arranged on both sides in the transverse direction.

That is to say, the plate-shaped connecting member 400 having a plurality of control legs 11 for connecting the bases 10 of the respective coffee machines to each other so as to be installed horizontally with respect to the bottom surface of the base 10 .

The bottom surface of the base 10 and the connecting member 400 may be fastened with screws (not shown) so that the connecting member 400 and the base 10 can be separated and assembled.

A plurality of coffee machines are connected and fixed to each other while maintaining proper spacing in the lateral direction by the connecting member 400 and are continuously arranged by being maintained in a horizontal state by the adjusting legs 11, Can be extracted.

Although the connecting member 400 is shown as an example in the form of a plate in the drawings of the embodiment of the present invention, it is needless to say that the connecting member 400 may be formed in various shapes such as a pipe shape or other various shapes, .

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: base 11; Control leg
14; A storage container seating portion 20; support fixture
21; A fixing screw 22; Connections
30; An upper tray 31; Upper tray boss portion
32; Through hole 33; Seat groove
34; A water supply container seating portion 40; Lower tray
41; A lower tray boss portion 42; Passage
44; A coffee vessel seating part 50; Lifting support
61; Bushing 62; bearing
63; Packing 70; stopper
71; Bolt 80; Level meter
100; A storage container 101; Cap for storage container
102; Coffee inflow hole 200; Coffee pot
201; A coffee container cap 202; Water inlet hole
203; Coffee extracts 103,204; Conical groove
300; A water supply container 301; Cap for water supply container
303; Water supply port 304; Water supply control valve
400; A connecting member 500; Removable stopper
501; Fitting groove H; heater
C; Cooling device

Claims (12)

The upper and lower trays each include a base to be seated on the ground, a support vertically installed on the base, and upper and lower trays installed at the upper and lower spacings, A water supply container having a control valve and a coffee container for accommodating coffee are sequentially installed and a base for receiving coffee extracted from the coffee container is seated thereon,
A pair of conical horizontal adjustment legs 11, which are in point contact with the ground surface, are provided on the bottom of the cabinet so as to be horizontally adjustable on the ground surface, one at the front center end and two at the rear end corners, A base (10) having a storage container seating part (14) formed to surround a part of the bottom surface of the container (100);
A support base 20 having a pair of bars and vertically installed at a predetermined distance from one end of the upper surface of the base 10 and connected to the upper end thereof by a connecting rod 22;
A pair of bearings 62 provided in contact with the support 20 on upper and lower portions of a bushing 61 assembled inside the support 20 so as to be in contact with the support 20, And is supported by a ring-shaped stopper 70 fixed to the support base 20 by bolts 71. The water supply container 300 and a part of the bottom of the coffee container 200 are wrapped at one end The upper and lower trays 30 and 40 having a water supply container seating portion 34 and a coffee container seating portion 44, respectively, which are downwardly penetrated;
A horizontal system 80 installed on the upper surface of the base 10, the upper surface of the upper tray 30, or the upper surface of the lower tray 0;
A storage container 100 having a coffee inlet 102 formed in a storage container seating part 14 of the base 10 and coupled to an upper end thereof;
And a coffee extracting hole 203 is formed at a lower end of the lower tray 40 to be inserted into the coffee inlet hole 102 of the container 101 for the storage container, The coffee container (200) having a water inlet opening (202) formed in a cap (201) for a coffee container coupled to the upper end;
And a water supply port 303 is formed at a lower end of the water supply container mounting portion 34 of the upper tray 30 so as to be inserted into a water supply inlet hole 202 of the coffee container cap 201, The water supply container 300 in which the water supply control valve 304 is installed in the middle of the sphere 303; And
And conical groove portions 103 and 204 formed at the entrance of the coffee inlet hole 102 and the water inlet hole 202 to guide the insertion of the coffee extracting hole 203 and the water inlet 303 Lt; / RTI &
The upper and lower trays 40 and 40 are provided with a fitting groove 501 in which the support rods 20 are respectively received and a detachable member 50 having a height capable of being fitted between the upper tray 30 and the lower tray 40, Further comprising a stopper (500).
delete The method according to claim 1,
Wherein the base (10) is provided with a heater (H) for maintaining the temperature of the storage container (100) warm and a temperature holding control circuit part. The method according to claim 1,
Wherein the base (10) has a thermoelectric semiconductor type cooling device (C) for maintaining the temperature of the storage container (10) at a low temperature and a temperature holding control circuit part.
delete The method according to claim 1,
The upper tray 30 and the lower tray 40 are vertically connected by an elevating support 50. The lower tray 40 and the lower ends of the elevating support 50 are fixed, (50). ≪ / RTI >
delete The method according to claim 1,
A coffee container holder 210 for separately holding and supporting the coffee container 200 and a plurality of dies 220 for chopping coffee inside the coffee container 200 are provided in order to chop up the powdered coffee contained in the coffee container 200 Wherein the coffee machine further comprises:
The method according to claim 1,
Wherein the base (10), the upper tray (30), and the lower tray (40) are symmetrically arranged so that coffee can be extracted simultaneously from both sides.
The method according to claim 1,
A plurality of Dutch coffee machines can be connected in parallel by being connected to the side of the base 10 by the connecting means 400 in the vicinity of the base 10 of the other Dutch coffee machine. machine.
delete 7. The Dutch coffee machine according to claim 6, wherein the detachable stopper (500) further comprises a fitting groove (501) for receiving the elevating support (50).

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